Hong Kong Observatory to hold Open Day 2025

18 February 2025

The Hong Kong Observatory (HKO) will hold the HKO Open Day on March 22 and 23 (Saturday and Sunday) to showcase its work.

Adopting the theme of the World Meteorological Day this year, “Closing the Early Warning Gap Together”, the Open Day exhibitions will provide a brief overview of the long-standing collaboration between the Observatory and meteorological authorities around the world over the years. The HKO will also showcase how it applies the latest technology to provide various services, enhancing public understanding and awareness of climate change and extreme weather.

Online preregistration is required. Each applicant may request a maximum of four tickets free of charge. If there is an oversubscription, selection will be made by computer balloting. The online registration system will accept applications from today (February 18) to noon on March 5. Successful applicants will receive tickets with a QR code by email on or before March 12.

HKO Open Day details:

Venue: Hong Kong Observatory Headquarters (134A Nathan Road, Kowloon)

Date: March 22 and 23 (Saturday and Sunday)

Time: 9.30 a.m. to 5:00 p.m.

Remark: The duration of each session is around one hour

For more information on the Open Day, please visit the HKO website: https://www.hkoopenday.gov.hk/en/registration/

The Observatory Open Day 2025